EP 2955782 B1 20180321 - WAVEGUIDE FILTER
Title (en)
WAVEGUIDE FILTER
Title (de)
WELLENLEITERFILTER
Title (fr)
FILTRE DE GUIDE D'ONDE
Publication
Application
Priority
CN 2013074208 W 20130415
Abstract (en)
[origin: EP2955782A1] An embodiment of the present invention discloses a waveguide filter, which relates to wireless communications technologies. The waveguide filter of the present invention is formed by means of adaptation between waveguides at different layers of circuits, where a circuit structure is relatively simple. The waveguide filter of the present invention includes a first waveguide at an upper layer and a second waveguide at a lower layer, where the first waveguide and the second waveguide are isolated from each other by a metal isolation layer, the first waveguide forms a first resonant cavity, the second waveguide forms a second resonant cavity, the first resonant cavity and the second resonant cavity overlap each other, and a coupling slot is disposed at the metal isolation layer in an overlapping area.
IPC 8 full level
H01P 1/207 (2006.01); H01P 1/208 (2006.01); H01P 5/02 (2006.01); H01P 7/06 (2006.01)
CPC (source: EP US)
H01P 1/207 (2013.01 - US); H01P 1/2088 (2013.01 - EP US); H01P 5/022 (2013.01 - US); H01P 5/024 (2013.01 - EP US); H01P 7/065 (2013.01 - US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2955782 A1 20151216; EP 2955782 A4 20160330; EP 2955782 B1 20180321; CN 103534869 A 20140122; CN 103534869 B 20160120; US 2016036110 A1 20160204; US 9893399 B2 20180213; WO 2014169419 A1 20141023
DOCDB simple family (application)
EP 13882266 A 20130415; CN 2013074208 W 20130415; CN 201380000236 A 20130415; US 201514883309 A 20151014